Valkó, O., R. Labadessa, and S. Venn. “Conservation, Restoration and Biodiversity of Palaearctic Grasslands – Editorial to the 6th EDGG Special Issue in Hacquetia”. Hacquetia, vol. 20, no. 1, Jan. 2021, pp. 167–170, https://ojs.zrc-sazu.si/hacquetia/article/view/9494.